Electrical and Thermal Conductivities of 50/50 Water-ethylene Glycol Based TiO 2 Nanofluids to be Used as Coolants in PEM Fuel Cells
作者： Mohammad Rafiqul Islam , Bahman Shabani , Gary Rosengarten
DOI: 10.1016/J.EGYPRO.2017.03.113
关键词:
摘要: Both thermal and electrical conductivities of nanofluids are the key parameters to be optimized for making suitable use as coolants in electrically active applications such fuel cells. Although considered potential solutions Proton Exchange Membrane (PEM) cells, their high conductivity is seen a challenge applications. This study investigates theoretically experimentally 50/50 water-ethylene glycol based TiO2 with nanoparticle concentrations range 0.05-0.5 vol%. Though Maxwell model predicts decrease increase concentrations, an enormous (∼ 900% 0.5 vol% at 70 °C) has been observed compared that base fluid. experimental result indicates unable predict nanofluids. On other hand, increases concentration nanoparticles. With concentration, increased by just over 10%
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